Ground calcium carbonate surface treatment coating device

Abstract

The utility model relates to the technical field of heavy calcium carbonate processing, and discloses a heavy calcium carbonate surface treatment coating device which comprises a coating tank body and further comprises a material spraying assembly and a scraping assembly, the material spraying assembly comprises a surface treating agent conveying pipe and an agent conveying main pipe rotationally connected to the inner end of the surface treating agent conveying pipe, and the scraping assembly is arranged on the surface treating agent conveying pipe. The agent conveying main pipe is vertically arranged in the stirring column, multiple layers of agent spraying branch pipes are connected to the outer wall of the agent conveying main pipe in an annular array mode, and multiple nozzles are connected to the upper wall and the lower wall of each agent spraying branch pipe at equal intervals; in the stirring process of the stirring rod, the spraying agent branch pipes provided with the nozzles can synchronously rotate, so that a surface treating agent can tightly follow the moving track of the stirring rod and is uniformly scattered on the surface of the ground calcium carbonate at the moment that the ground calcium carbonate is stirred; therefore, each particle of the heavy calcium carbonate has a larger chance to be in contact with the treating agent, and the mixing uniformity is greatly enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to heavy calcium carbonate processing technical field, especially in kind heavy calcium carbonate surface treatment coating device. BACKGROUND

[0002] Heavy calcium carbonate is a kind of mineral filler widely used in papermaking, plastics, paint and other industries, due to the difference between its surface properties and organic materials, directly using may cause poor dispersibility, compatibility problem is not good, in order to improve these problems, often need to carry out surface treatment to heavy calcium carbonate, to improve its compatibility and dispersibility with organic materials.

[0003] In the current surface treatment process of heavy calcium carbonate, the conventional operation method is to add heavy calcium carbonate raw materials into specific coating equipment, at the same time, the surface treatment agent is sprayed through the spray head installed in the equipment interior in advance, so as to realize the coating treatment of heavy calcium carbonate, however, the spray head used at present mostly adopts the installation mode of fixed position, this fixed setting has obvious limitation, when heavy calcium carbonate is agitated in the coating equipment by the stirring device, due to the fixed position of the spray head, it is difficult to flexibly adjust the spraying angle and position according to the tumbling condition of heavy calcium carbonate, leading to that the surface treatment agent is difficult to accurately and uniformly fully contact with the agitated heavy calcium carbonate particles, in the actual operation process, there may be the condition that part of the heavy calcium carbonate in the area is oversprayed with the surface treatment agent, while the other area is insufficiently sprayed, which makes the mixing uniformity of heavy calcium carbonate and surface treatment agent poor, cannot achieve ideal coating effect, and further affects the quality and performance of the final product, based on this, a heavy calcium carbonate surface treatment coating device is proposed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a heavy calcium carbonate surface treatment coating device, to solve the existing problem that it is difficult to flexibly adjust the spraying angle and position according to the tumbling condition of heavy calcium carbonate, leading to that the surface treatment agent is difficult to uniformly fully contact with the agitated heavy calcium carbonate particles.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a heavy calcium carbonate surface treatment coating device, including coating tank body, the top end middle place of coating tank body is installed with motor, the output of motor is connected with the connecting shaft in the inside of coating tank body, the bottom of connecting shaft is fixed with vertical agitating column, the outer circle of agitating column is annular array and is fixed with multiple layers of stirring rod, still including:

[0006] The spray assembly comprises a surface treatment agent conveying pipe and an agent feeding main pipe connected to the inner end of the surface treatment agent conveying pipe, the agent feeding main pipe is vertically arranged in the stirring column, and the outer wall of the agent feeding main pipe is connected with a plurality of layers of agent feeding branch pipes in a ring array, each of the agent feeding branch pipes is arranged in a corresponding stirring rod, and the upper and lower walls of the agent feeding branch pipe are connected with a plurality of nozzles at equal distances.

[0007] The scraping assembly is connected to the stirring column and is scraped to scrape the inner bottom of the covered tank body through the rotation of the stirring column.

[0008] Preferably, the stirring rod is axially provided with a groove, and the agent feeding branch pipe is embedded in the groove.

[0009] Preferably, a pipeline rotary joint is connected between the surface treatment agent conveying pipe and the agent feeding main pipe, and the pipeline rotary joint is below the stirring column.

[0010] Preferably, the scraping assembly comprises a vertical connecting strip and a vertical rod, the end of the connecting strip is fixed to the stirring column, and the bottom end of the vertical rod is connected with a scraper plate abutting the inner bottom of the covered tank body.

[0011] Preferably, the scraper plate is fixed with wedge-shaped blocks on both sides, and the outer end of the wedge-shaped block is thick and the inner end is thin.

[0012] Preferably, the bottom end of the covered tank body is connected with a supporting leg and a discharging pipe, and the top end of the covered tank body is provided with a feeding hopper.

[0013] In the above technical solution, the technical effects and advantages of the present application are as follows:

[0014] (1) In the stirring process of the stirring rod, the agent feeding branch pipe provided with the nozzles is synchronously rotated, so that the surface treatment agent can closely follow the moving track of the stirring rod, and is uniformly sprayed on the surface of the heavy calcium carbonate at the moment of being stirred, and each rotation and movement of the stirring rod is accompanied by accurate spraying of the treatment agent, so that each particle of the heavy calcium carbonate has a greater opportunity to contact the treatment agent, greatly enhances the uniformity of mixing, and effectively avoids the situation that the treatment agent is too much or too little in a local area.

[0015] (2) By arranging the scraping assembly, the vertical rod can drive the scraper plate to scrape the inner bottom of the covered tank body while the stirring rod is stirring, the heavy calcium carbonate at the bottom end can be prevented from being hardened, and the wedge-shaped blocks with the outer end thick and the inner end thin are arranged, so that the side wall of the scraper plate has an inclined surface facing the discharging port of the inner bottom of the covered tank body, and the discharging is more facilitated and the blockage is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described in the following are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 It is a whole structure schematic view of the present application.

[0018] Figure 2 It is a whole structure schematic view of the present application Figure 1 It is another orientation structure schematic view.

[0019] Figure 3 It is a structure schematic view of the spraying assembly and scraping assembly of the present application.

[0020] Figure 4 It is a structure schematic view of the spraying assembly of the present application.

[0021] Figure 5 It is a structure schematic view of the scraping assembly of the present application.

[0022] In the figure: 1, coated tank body; 2, supporting leg; 3, motor; 4, feeding hopper; 5, surface treatment agent conveying pipe; 6, discharging pipe; 7, connecting shaft; 8, stirring column; 9, stirring rod; 10, scraping assembly; 101, connecting strip; 102, vertical rod; 103, scraper; 104, wedge block; 11, nozzle; 12, pipe rotary joint; 13, agent main pipe; 14, groove; 15, agent branch pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0024] The present application provides a spraying and scraping device for surface treatment agent as Figures 1-5The illustrated heavy calcium carbonate surface treatment coating device, including coating tank body 1, the bottom end of coating tank body 1 is connected with support leg 2 and blanking tube 6, blanking tube 6 is close to the middle, and a valve is installed on blanking tube 6, and a feeding hopper 4 is installed at the top end of coating tank body 1, a motor 3 is installed at the middle of the top end of coating tank body 1, the output end of motor 3 is connected with a connecting shaft 7 inside coating tank body 1, the bottom end of connecting shaft 7 is fixed with a vertical stirring column 8, the outer circumference of stirring column 8 is fixed with multiple layers of stirring rods 9 in annular array, starting motor 3, the stirring column 8 can be driven to rotate through the output end of motor 3, and then multiple layers of stirring rods 9 are driven to stir and mix, so as to improve the surface coating treatment efficiency, and the device further includes a material spraying assembly for spraying surface treatment agent into coating tank body 1, and the material spraying assembly includes a surface treatment agent conveying pipe 5 and a main agent conveying pipe 13 rotatably connected to the inner end of the surface treatment agent conveying pipe 5, specifically, a pipe rotary joint 12 is connected between the surface treatment agent conveying pipe 5 and the main agent conveying pipe 13, the pipe rotary joint 12 is a connecting piece that allows fluid to flow in the pipe system while allowing a part of the pipe to rotate relative to another part, the pipe rotary joint 12 is composed of a fixed part (static end) and a rotating part (rotating end), has a sealing device inside to prevent leakage, and bearings or other lubrication mechanisms can be used to reduce friction, the pipe rotary joint 12 is an existing conventional connecting piece, and its specific structure will not be described here, the pipe rotary joint 12 is below the stirring column 8, the main agent conveying pipe 13 is vertically arranged in the stirring column 8, and multiple layers of agent branch pipes 15 are connected to the outer wall of the main agent conveying pipe 13 in annular array, each agent branch pipe 15 is arranged in a corresponding stirring rod 9, and multiple nozzles 11 are equally connected to the upper and lower walls of the agent branch pipe 15, grooves 14 are formed in the axial direction of the stirring rod 9, and the agent branch pipe 15 is embedded in the groove 14.

[0025] Through the above, after the heavy calcium carbonate to be treated is added from the feeding hopper 4 into the coating tank body 1, the motor 3 is started synchronously, the multiple layers of stirring rods 9 are used for stirring, at the same time, the surface treatment agent can be sent from the surface treatment agent conveying pipe 5, the surface treatment agent is sent into each agent branch pipe 15 through the main agent conveying pipe 13, and then sprayed out through the multiple nozzles 11 above and below, so that the nozzles 11 can spray out the surface treatment agent in the form of fine mist synchronously during the stirring process of the stirring rods 9, this design enables the surface treatment agent to closely follow the moving track of the stirring rods 9, and evenly falls on the surface of the heavy calcium carbonate at the moment when the heavy calcium carbonate is stirred, each rotation and movement of the stirring rods 9 is accompanied by accurate spraying of the treatment agent, so that each particle of the heavy calcium carbonate has a greater opportunity to contact the treatment agent, greatly enhances the uniformity of mixing, effectively avoids the situation that the treatment agent is too much or too little in some parts, and effectively guarantees the efficiency and stability of the entire coating process.

[0026] In addition, referring to Figure 3As shown, the heavy calcium carbonate surface treatment coating device further comprises a scraping assembly 10 connected to the stirring column 8, and the scraping assembly 10 is scraped the bottom inside of the coating tank 1 through synchronous driving of the stirring column 8.

[0027] Wherein, referring to Figure 5 As shown, the scraping assembly 10 comprises a connecting strip 101 and a vertical rod 102 connected vertically, the end of the connecting strip 101 is fixed to the stirring column 8, the bottom end of the vertical rod 102 is connected with a scraper 103 which is attached to the bottom inside of the coating tank 1, the both sides of the scraper 103 are fixed with wedge blocks 104, and the outer end of the wedge block 104 is thick and the inner end is thin.

[0028] Through the above, the connecting strip 101 is driven to rotate synchronously while the stirring rod 9 is stirring, and then the scraper 103 is scraped the bottom inside of the coating tank 1 through the vertical rod 102, so that the hardening of the heavy calcium carbonate at the bottom end can be avoided, and the wedge block 104 with the outer end thick and the inner end thin is arranged, so that the side wall of the scraper 103 has an inclined surface towards the discharge port of the bottom inside of the coating tank 1, so that the discharge is more beneficial and the occurrence of blockage is reduced.

[0029] The above is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A heavy calcium carbonate surface treatment coating device, comprising a coating tank (1), a motor (3) is installed in the middle of the top end of the coating tank (1), and the output end of the motor (3) is connected with a connecting shaft (7) in the inside of the coating tank (1), characterized in that: The bottom end of the connecting shaft (7) is fixed with a vertical stirring column (8), the outer circumference of the stirring column (8) is fixed with a plurality of layers of stirring rods (9) in annular array, further comprising: A material spraying assembly, which comprises a surface treatment agent delivery pipe (5) and an agent feeding main pipe (13) rotatably connected to the inner end of the surface treatment agent delivery pipe (5), the agent feeding main pipe (13) is vertically arranged in the stirring column (8), and the outer wall of the agent feeding main pipe (13) is connected with a plurality of layers of agent branch pipes (15) in annular array, each of the agent branch pipes (15) is arranged in a corresponding stirring rod (9), and the upper and lower walls of the agent branch pipe (15) are connected with a plurality of nozzles (11) at equal distances. A scraping assembly (10) is connected to the stirring column (8) and is synchronously scraped with the stirring column (8) to scrape the inner bottom of the coated tank (1).

2. A heavy calcium carbonate surface treatment coating device according to claim 1, characterized in that: The stirring rod (9) is axially provided with a groove (14), and the agent branch pipe (15) is embedded in the groove (14).

3. The heavy calcium carbonate surface treatment coating device according to claim 1, characterized in that: A pipe rotary joint (12) is connected between the surface treatment agent delivery pipe (5) and the agent feeding main pipe (13), and the pipe rotary joint (12) is below the stirring column (8).

4. The heavy calcium carbonate surface treatment coating device according to claim 1, characterized in that: The scraping assembly (10) comprises a connecting strip (101) and a vertical rod (102) connected vertically, the end of the connecting strip (101) is fixed to the stirring column (8), and the bottom end of the vertical rod (102) is connected with a scraper (103) abutting the inner bottom of the coated tank (1).

5. A heavy calcium carbonate surface treatment coating device according to claim 4, characterized in that: The two sides of the scraper (103) are fixed with wedge-shaped blocks (104), and the outer end of the wedge-shaped block (104) is thicker than the inner end.

6. The heavy calcium carbonate surface treatment coating device according to claim 1, characterized in that: The bottom end of the coated tank (1) is connected with a supporting leg (2) and a discharging pipe (6), and the top end of the coated tank (1) is provided with a feeding hopper (4).

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